154499620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{3529}}^1$

素因数の和:3748

約数の個数: 48

約数和(自身を含む): 355824000

約数和(自身を除く): 201324380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 199, 220, 398, 796, 995, 1990, 2189, 3529, 3980, 4378, 7058, 8756, 10945, 14116, 17645, 21890, 35290, 38819, 43780, 70580, 77638, 155276, 194095, 388190, 702271, 776380, 1404542, 2809084, 3511355, 7022710, 7724981, 14045420, 15449962, 30899924, 38624905, 77249810, 154499620]

約数ペア:

[(1, 154499620), (2, 77249810), (4, 38624905), (5, 30899924), (10, 15449962), (11, 14045420), (20, 7724981), (22, 7022710), (44, 3511355), (55, 2809084), (110, 1404542), (199, 776380), (220, 702271), (398, 388190), (796, 194095), (995, 155276), (1990, 77638), (2189, 70580), (3529, 43780), (3980, 38819), (4378, 35290), (7058, 21890), (8756, 17645), (10945, 14116)]